<template >
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
//引入echarts图表依赖
import * as echarts from "echarts";
import _ from "loadsh";
export default {
  data() {
    return {
      //需要合并的图表数据
      options: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
      },
    };
  },
  methods: {},
  //
  async mounted() {
    var myChart = echarts.init(document.getElementById("main"));
    // 指定图表的配置项和数据

    //发送请求获取图标数据 的一部分（还需要合并）
    const { data: res } = await this.$http.get(`reports/type/1`);
    if (res.meta.status != 200) {
      //获取图表数据失败了
      this.$message.error("获取图标数据失败");
    }

    //准备数据参数
    const result = _.merge(res.data, this.options);

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result);
  },
};
</script>

<style lang="less" scoped>
</style>

